Inverted siphon water conservancy system capable of preventing silt blockage

Abstract

The utility model relates to an inverted siphon water conservancy system capable of preventing sediment blockage, which belongs to the field of water conservancy construction and comprises a connecting pipe, a connecting cylinder is in bolted connection with the right side of the connecting pipe, a water inlet pipe is in bolted connection with the right side of the connecting cylinder, and a cleaning pipe section is fixedly connected with the right side of the water inlet pipe. A drainage pipe is fixedly connected to the right side of the cleaning pipe section, a water pump is fixedly installed at the left end of the lower side of a water inlet pipe, a cleaning device is arranged in a connecting pipe, and a collecting device is arranged on the lower side of the connecting pipe. The cleaning device comprises an internal coarse filter screen fixedly connected to the connecting pipe. According to the inverted siphon water conservancy system capable of preventing silt blockage, a first scraping plate connected with a second fan impeller is driven to rotate on the surface of a coarse filter screen through the flow speed generated by water flow and is conveyed into a collecting device to separate silt, stones and water, finally, the water is discharged into a water inlet pipe again through a water pump, and the surface of the coarse filter screen is cleaned; meanwhile, the blockage condition is also avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy construction, in particular to an inverted siphon water conservancy system which is resistant to sediment blockage. Background Art

[0002] Siphons are the most common type of river-channel crossing structure in water conservancy projects. When passing through a natural river or structure, water must pass through the bottom of the natural river or structure through an inverted siphon. The main structure of the inverted siphon is a U-shaped structure consisting of an inlet section, a pipe section, and an outlet section.

[0003] The Chinese utility model patent with announcement number CN221399088U discloses an inverted siphon water conservancy system for preventing silt blockage, comprising an inlet pipe, an intermediate pipe and an outlet pipe, the inlet pipe and the outlet pipe being connected to the intermediate pipe by a connecting pipe, the inlet pipe being slidably inserted with a filter screen at one end away from the connecting pipe, the top of the filter screen passes through the inner wall of the water inlet pipe and is fixedly connected to a fixing block, the outer wall of the water inlet pipe is fixedly connected to a clamping mechanism corresponding to the fixing block, the inner wall of the water inlet pipe is fixedly connected to two symmetrical support rods, a rotating rod is rotatably inserted between the two support rods, both ends of the rotating rod are fixedly connected to an impeller, the middle part of the rotating rod is fixedly connected to a plurality of spiral stirring belts, and the outlet pipe is rotatably connected to a check plate by a rotating shaft. The utility model utilizes the arrangement of the filtering mechanism and the stirring mechanism to effectively prevent the deposition of silt and prevent the silt from clogging the pipe, thereby effectively improving the operation stability of the water conservancy system.

[0004] In the process of implementing the present invention, there are at least the following problems in this technology: when the filter screen filters sediment for a long time, a large number of large-grained stones mixed in the sediment will be blocked in the filter screen holes. If they are not cleaned in time, the sediment will block the filter screen and the flow rate of water in the pipeline will also be reduced. Therefore, an anti-silt blockage inverted siphon water conservancy system is proposed to solve the above problems. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides an inverted siphon water conservancy system that is resistant to silt blockage. It has the advantages of filtering, collecting and cleaning stones that clog the surface of the coarse filter screen. It solves the problem that a large amount of large-grained stones mixed in the silt will be blocked in the filter screen holes during the long period of silt filtering by the filter screen. If it is not cleaned in time, the filter screen will be blocked by silt, and the flow rate of water in the pipe will also be reduced.

[0006] In summary, the utility model provides the following technical solutions: an inverted siphon water conservancy system for preventing sediment blockage, comprising a connecting pipe, a connecting cylinder being bolted to the right side of the connecting pipe, an inlet pipe being bolted to the right side of the connecting cylinder, a connecting pipe being fixedly connected to the right side of the inlet pipe, a drain pipe being fixedly connected to the right side of the connecting pipe, a water pump being fixedly installed at the left end of the lower side of the inlet pipe, a cleaning device being provided inside the connecting pipe, and a collecting device being provided on the lower side of the connecting pipe;

[0007] The cleaning device includes a coarse filter fixedly connected to the inner portion of the connecting pipe, a first rotating shaft rotatably sleeved on the inner portion of the coarse filter, a first scraper fixedly connected to the upper side of the first rotating shaft, and a second impeller fixedly sleeved on the outer wall of the right side of the first rotating shaft;

[0008] The collecting device includes a fixed box fixedly connected to the lower side of the connecting pipe, a collecting cylinder connected to the left side of the fixed box, a left end valve fixedly installed on the lower side of the fixed box, a motor fixedly installed on the right side of the fixed box, a second rotating shaft fixedly connected to the output end of the motor, a second scraper fixedly connected to the upper side of the second rotating shaft, and a middle fine filter fixedly connected to the inner side of the fixed box.

[0009] The utility model adopts the above technical solution, utilizes the flow velocity generated by the water flow to drive the first scraper connected to the second impeller to rotate on the surface of the coarse filter screen, transmits the mud, gravel and water into the collection device to achieve separation, and finally utilizes the water pump to discharge the water into the water inlet pipe again, thereby cleaning the surface of the coarse filter screen and avoiding blockage.

[0010] Furthermore, an anti-clogging device is provided inside the connecting pipe, and the anti-clogging device includes two positioning columns fixedly connected to the inside of the connecting pipe, an internal stirring shaft rotatably sleeved on the two positioning columns, an external first impeller sleeved on the right side of the stirring shaft, and a cleaning brush fixedly connected to the upper side of the stirring shaft.

[0011] The beneficial effect of adopting the above further scheme is that when the water flow enters the interior of the connecting pipe through the water conservancy system, the flow rate generates an impact force to drive the first impeller, which facilitates the rotation of the stirring shaft and the cleaning brush, thereby realizing the rotation in the connecting pipe to clean the mud and sand and the mud and sand attached to the inner wall of the connecting pipe.

[0012] Furthermore, a backflow prevention structure is provided inside the drain pipe, and the backflow prevention structure includes two baffles rotatably sleeved on the right side of the inner wall of the drain pipe and a telescopic spring rod rotatably sleeved on the right side of the baffles.

[0013] The beneficial effect of adopting the above further solution is that the telescopic spring rod compresses or extends itself when the baffle rotates, thereby changing the rotation angle of the baffle in the drain pipe, thereby achieving the anti-backflow effect.

[0014] Furthermore, the collecting cylinder is inserted into the left side of the connecting pipe, and the right side surface of the first scraper plate contacts the left side surface of the coarse filter.

[0015] The beneficial effect of adopting the above further solution is that the cleaned mud, sand and gravel can be absorbed by the collecting tube, thereby reducing the accumulation inside the connecting pipe.

[0016] Furthermore, the left side of the fixed box is connected to the collecting cylinder via a pipe, and a sealing ring is integrally connected to the surface of the pipe at one end of the fixed box close to the collecting cylinder.

[0017] The beneficial effect of adopting the above further solution is that the fixed box and the collection barrel are connected through a pipeline, which facilitates the transportation of mud, sand and gravel.

[0018] Furthermore, the left side of the second rotating shaft passes through the fine filter and extends to the outside, and the right side of the second scraper plate abuts against the left surface of the fine filter.

[0019] The beneficial effect of adopting the above further solution is that the second scraper is driven by the motor to clean the mud, sand and gravel filtered on the surface of the fine filter.

[0020] Furthermore, the water suction end of the water pump is plugged and fixed to the right end of the lower side of the fixed box, and the water discharge end of the water pump is communicated with the lower side of the water inlet pipe.

[0021] The beneficial effect of adopting the above further solution is that the filtered water in the fixed box is easily absorbed by the water pump and discharged into the water inlet pipe to flow together with the rest of the water.

[0022] Furthermore, the upper surface of the cleaning brush contacts the inner wall surface of the connecting pipe.

[0023] The beneficial effect of adopting the above further solution is that the mud and sand attached to the inner wall of the connecting pipe are cleaned by the cleaning brush, thereby reducing the accumulation of residues.

[0024] Compared with the existing technology, the utility model provides an inverted siphon water conservancy system that prevents sediment blockage and has the following features:

[0025] Beneficial effects:

[0026] 1. This anti-silt blockage inverted siphon hydraulic system uses the flow velocity generated by the water flow to drive the first scraper connected to the second impeller to rotate on the surface of the coarse filter screen, and transmits the silt, gravel and water to the collection device to separate them. Finally, a water pump is used to discharge the water back into the water inlet pipe to clean the surface of the coarse filter screen and avoid blockage.

[0027] 2. This anti-silt blockage inverted siphon water conservancy system can discharge the silt and gravel filtered by the fine filter from the fixed box by simply turning the valve to reduce the accumulation phenomenon. It solves the problem that when the filter screen filters silt for a long time, a large amount of large-grained gravel mixed in the silt will be blocked in the filter screen holes. If it is not cleaned in time, the filter screen will be blocked by silt and the flow rate of water in the pipe will also be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a cross-sectional view of the structure of the utility model;

[0029] Figure 2 This is a structural cross-sectional view of the connecting pipe of the utility model;

[0030] Figure 3 This is a structural cross-sectional view of the drainage pipe of the utility model;

[0031] Figure 4 This is a structural cross-sectional view of the connecting pipe and the water inlet pipe of the utility model;

[0032] Figure 5 This is a structural cross-sectional view of the collecting device of the utility model;

[0033] Figure 6 It is a structural stereogram of the collecting device of the present utility model.

[0034] Description of reference numerals:

[0035] 1. Connecting pipe; 2. Connecting cylinder; 3. Valve; 4. Cleaning pipe section; 5. Drain pipe; 6. Water inlet pipe; 7. Collecting device; 8. Water pump; 9. Anti-clogging device; 10. Anti-backflow structure; 11. Positioning column; 12. Stirring shaft; 13. Cleaning brush; 14. First impeller; 15. Baffle; 16. Telescopic spring rod; 17. Coarse filter; 18. First rotating shaft; 19. Second impeller; 20. First scraper; 21. Fixed box; 22. Motor; 23. Second rotating shaft; 24. Fine filter; 25. Second scraper; 26. Collecting cylinder; 27. Cleaning device. DETAILED DESCRIPTION

[0036] See also Figures 1 to 3 A reverse siphon water conservancy system that prevents silt blockage includes a connecting pipe 1, the right side of the connecting pipe 1 is bolted to a connecting tube 2, the right side of the connecting tube 2 is bolted to an inlet pipe 6, the right side of the water inlet pipe 6 is fixedly connected to a cleaning pipe section 4, the right side of the cleaning pipe section 4 is fixedly connected to a drain pipe 5, a water pump 8 is fixedly installed at the left end of the lower side of the water inlet pipe 6, a cleaning device 27 is provided inside the connecting pipe 1, and a collecting device 7 is provided on the lower side of the connecting pipe 1.

[0037] Among them, an anti-clogging device 9 is provided inside the cleaning pipe section 4, and the anti-clogging device 9 includes two positioning columns 11 fixedly connected to the inside of the cleaning pipe section 4, an internal stirring shaft 12 rotatably sleeved on the two positioning columns 11, an external first impeller 14 sleeved on the right side of the stirring shaft 12 and a cleaning brush 13 fixedly connected to the upper side of the stirring shaft 12. An anti-backflow structure 10 is provided inside the drain pipe 5, and the anti-backflow structure 10 includes two baffles 15 rotatably sleeved on the right side of the inner wall of the drain pipe 5 and a telescopic spring rod 16 rotatably sleeved on the right side of the baffle 15. The drainage end of the water pump 8 is connected to the lower side of the water inlet pipe 6, and the upper surface of the cleaning brush 13 contacts the inner wall surface of the cleaning pipe section 4.

[0038] It should be noted that when the water enters the cleaning pipe section 4 through the water conservancy system, the water flow velocity generates an impact force to drive the first impeller 14, which is convenient for rotating the stirring shaft 12 and the cleaning brush 13, thereby realizing the rotation in the cleaning pipe section 4 to clean the silt and the silt attached to the inner wall of the cleaning pipe section 4. When the baffle 15 rotates, the telescopic spring rod 16 compresses or extends itself, thereby changing the rotation angle of the baffle 15 in the drain pipe 5 to achieve the anti-backflow effect. The two positioning columns 11 are respectively vertically perpendicular to the opposite surfaces inside the cleaning pipe section 4. The first impeller The wheel 14 can be selected from a material with certain wear resistance and corrosion resistance as needed. The first impeller 14 made of metal alloy has high strength and wear resistance and can resist a certain degree of physical wear. At the same time, in addition to high strength and wear resistance, it also has antioxidant and corrosion resistance properties and is suitable for harsh environments. The end face of the cleaning brush 13 is sleeved on the side end face of the stirring shaft 12, and the size design of the cleaning brush 13 can be adjusted in actual use according to the inner diameter of the cleaning pipe section 4 so that it can contact the inner wall surface of the cleaning pipe section 4 to block The plate 15 is compressed by the telescopic spring rod 16 due to the impact force of the water flow and rotates itself. When the telescopic spring rod 16 compresses itself, the baffle 15 will be rotated to the right. As the impact force increases, the water flow space of the water conservancy system in the drain pipe 5 will be expanded. After the impact force of the water flow in the drain pipe 5 decreases, the telescopic spring rod 16 rebounds to make one end of the two baffles 15 collide with each other again. When the impact force is reduced and is not enough to push the baffle 15 to rotate and adjust the angle, the rebound effect of the telescopic spring rod 16 will make the baffle 15 and the drain pipe 5 form a vertical state. And the end of the baffle 15 away from the drain pipe 5 will conflict with each other to prevent the discharged water from flowing into the drain pipe 5 again. The connecting tube 2 is fixed between the connecting pipe 1 and the water inlet pipe 6 by plugging, and the outside of the connecting tube 2 is equidistantly plugged with bolts in groups of two. The outer surface close to the connecting pipe 1 and the water inlet pipe 6 is coated with a sealing paint. The sealing paint is an acrylic waterproof paint, which is used for waterproofing the water-facing surface of the structural body. It has good weather resistance and is suitable for exposed and non-exposed parts, ensuring the sealing between the connecting pipe 1 and the water inlet pipe 6.

[0039] See also Figure 1and solid 4. In this embodiment, the cleaning device 27 includes an internal coarse filter 17 fixedly connected to the connecting pipe 1, an internal first rotating shaft 18 rotatably sleeved on the coarse filter 17, a first scraper plate 20 fixedly connected to the upper side of the first rotating shaft 18, and a second impeller 19 fixedly sleeved on the outer wall on the right side of the first rotating shaft 18.

[0040] It should be noted that the rotation of the first scraper 20 effectively removes sediment and clogged stones from the surface of the coarse filter 17, reducing blockage of the holes in the coarse filter 17, preventing silt and sand from clogging, and increasing the flow rate within the water conservancy system. The second impeller 19 and the first scraper 20 are both made of polyoxymethylene, a material that is heavy, wear-resistant, and has a low coefficient of friction. Its surface is smooth and resists dust and grease, making it suitable for use in harsh environments. It also prevents sediment from adhering to its surface. The holes in the coarse filter 17 are 1 cm in diameter, preventing stones trapped in the sediment from entering the water inlet pipe 6.

[0041] See also Figure 1 、 Figure 4 、 Figure 5 and Figure 6 In this embodiment, the collecting device 7 includes a fixed box 21 fixedly connected to the lower side of the connecting pipe 1, a collecting cylinder 26 on the left side of the fixed box 21, a left end valve 3 fixedly installed on the lower side of the fixed box 21, a motor 22 fixedly installed on the right side of the fixed box 21, a second rotating shaft 23 fixedly connected to the output end of the motor 22, a second scraper 25 fixedly connected to the upper side of the second rotating shaft 23, and a middle fine filter 24 fixedly connected to the inner side of the fixed box 21.

[0042] Among them, the collecting cylinder 26 is inserted into the left side of the connecting pipe 1, the right side surface of the first scraper 20 is in contact with the left side surface of the coarse filter 17, the left side of the fixed box 21 is connected to the collecting cylinder 26 through a pipe, and a sealing ring is integrally connected to the pipe surface at one end of the fixed box 21 close to the collecting cylinder 26. The left side of the second rotating shaft 23 passes through the fine filter 24 and extends to the outside. The right side of the second scraper 25 is in contact with the left side surface of the fine filter 24, and the water suction end of the water pump 8 is plugged and fixed to the right end of the lower side of the fixed box 21.

[0043] It should be noted that the collecting cylinder 26 can absorb the cleaned mud and gravel, reducing the accumulation inside the connecting pipe 1. The pipeline realizes the connection between the fixed box 21 and the collecting cylinder 26, which is convenient for the transportation of mud and gravel. The motor 22 drives the second scraper 25 to clean the mud and gravel filtered on the surface of the fine filter 24. The sealing ring on the upper side of the pipeline of the fixed box 21 is sleeved inside the lower side of the collecting cylinder 26, and the outer side of the sealing ring contacts the inner wall surface of the collecting cylinder 26 to improve the firmness and sealing of the sleeve. When gravel and mud enter, the impact force generated can prevent the pipeline from detaching from the lower side of the collecting cylinder 26.

[0044] The working principle of the above embodiment is:

[0045] The connecting pipe 1 and the water inlet pipe 6 are connected by the connecting tube 2 and fixed by bolts, which is convenient for subsequent disassembly and use. The left pipe of the water pump 8 is inserted into the right end of the lower side of the fixed box 21 to complete the assembly. The water rushes into the connecting pipe 1. The water flow rate will drive the second impeller 19 to rotate and cooperate with the first scraper 20 to clean the circumference of the surface of the coarse filter 17, and clean the stones or part of the sediment in the sediment from the surface of the coarse filter 17. Then it enters the fixed box 21 from the collecting tube 26. The fine filter 24 will filter all the sediment and stones from the water. Start the water pump 8 to absorb the filtered water and discharge it into the water inlet pipe 6 again to move together with other water bodies. The motor 22 drives the second scraper 25 to clean the surface of the fine filter 24. The silt and gravel are discharged to the bottom of the fixed box 21, and the valve 3 is turned to discharge the silt and gravel. When the water passes through the cleaning pipe section 4, the water flow rate will drive the first impeller 14 and the connected stirring shaft 12 and cleaning brush 13 to rotate. The stirring shaft 12 will stir the silt entering the cleaning pipe section 4, and the cleaning brush 13 will clean the silt attached to the inner wall of the cleaning pipe section 4 to prevent the silt from accumulating in the cleaning pipe section 4, thereby improving the water flow rate stability in the water conservancy system and finally being discharged from the drain pipe 5. The baffle 15 is compressed by the telescopic spring rod 16 due to the impact force of the water flow to rotate itself. After the impact force of the water flow in the drain pipe 5 is reduced, the telescopic spring rod 16 rebounds to make the two ends of the baffles 15 collide with each other again, thereby preventing backflow.

Claims

1. An inverted siphon water conservancy system for preventing silt blockage, comprising a connecting pipe (1), characterized in that: The right side of the connecting pipe (1) is bolted to a connecting cylinder (2), the right side of the connecting cylinder (2) is bolted to a water inlet pipe (6), the right side of the water inlet pipe (6) is fixedly connected to a cleaning pipe section (4), the right side of the cleaning pipe section (4) is fixedly connected to a drain pipe (5), a water pump (8) is fixedly installed at the left end of the lower side of the water inlet pipe (6), a cleaning device (27) is provided inside the connecting pipe (1), and a collecting device (7) is provided on the lower side of the connecting pipe (1); The cleaning device (27) comprises an internal coarse filter (17) fixedly connected to the connecting pipe (1), a first rotating shaft (18) rotatably sleeved inside the coarse filter (17), a first scraper plate (20) fixedly connected to the upper side of the first rotating shaft (18), and a second impeller (19) fixedly sleeved on the outer wall of the right side of the first rotating shaft (18); The collecting device (7) comprises a fixed box (21) fixedly connected to the lower side of the connecting pipe (1), a left collecting cylinder (26) plugged into and connected to the fixed box (21), a left end valve (3) fixedly installed on the lower side of the fixed box (21), a right side motor (22) fixedly installed on the fixed box (21), a second rotating shaft (23) fixedly connected to the output end of the motor (22), a second scraper (25) fixedly connected to the upper side of the second rotating shaft (23), and a middle fine filter (24) fixedly connected to the inner side of the fixed box (21).

2. The anti-silt blockage inverted siphon water conservancy system according to claim 1, characterized in that: An anti-clogging device (9) is provided inside the cleaning pipe section (4), and the anti-clogging device (9) comprises two positioning columns (11) fixedly connected to the inside of the cleaning pipe section (4), an internal stirring shaft (12) rotatably sleeved on the two positioning columns (11), an external first impeller (14) sleeved on the right side of the stirring shaft (12), and a cleaning brush (13) fixedly connected to the upper side of the stirring shaft (12).

3. The anti-silt blockage inverted siphon water conservancy system according to claim 1, characterized in that: A backflow prevention structure (10) is provided inside the drainage pipe (5), and the backflow prevention structure (10) comprises two baffles (15) rotatably sleeved on the right side of the inner wall of the drainage pipe (5) and a telescopic spring rod (16) rotatably sleeved on the right side of the baffles (15).

4. The anti-silt blockage inverted siphon water conservancy system according to claim 1, characterized in that: The collecting cylinder (26) is inserted into the left side of the connecting pipe (1), and the right side surface of the first scraper plate (20) contacts the left side surface of the coarse filter (17).

5. The anti-silt blockage inverted siphon water conservancy system according to claim 1, characterized in that: The left side of the fixed box (21) is connected to the collecting cylinder (26) via a pipeline, and a sealing ring is integrally connected to the surface of the pipeline at one end of the fixed box (21) close to the collecting cylinder (26).

6. The anti-silt blockage inverted siphon water conservancy system according to claim 1, characterized in that: The left side of the second rotating shaft (23) passes through the fine filter (24) and extends to the outside, and the right side of the second scraper (25) abuts against the left surface of the fine filter (24).

7. The anti-silt blockage inverted siphon water conservancy system according to claim 1, characterized in that: The water suction end of the water pump (8) is plugged and fixed to the right end of the lower side of the fixed box (21), and the water discharge end of the water pump (8) is communicated with the lower side of the water inlet pipe (6).

8. The anti-silt blockage inverted siphon water conservancy system according to claim 2, characterized in that: The upper surface of the cleaning brush (13) contacts the inner wall surface of the cleaning pipe section (4).

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